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Source separation of foetal heart sounds and maternal activity from single-channel phonograms: A temporal independent component analysis approach
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Jimenez-Gonzalez, Aida and James, C. J. (2008) Source separation of foetal heart sounds and maternal activity from single-channel phonograms: A temporal independent component analysis approach. In: Computers in Cardiology 2008, Bologna, Italy, Sep 14-17, 2008. Published in: Proceedings of Computers in Cardiology 2008, Vol.2 pp. 949-952. ISSN 0276-6547, ISBN: 978-1-4244-3706-1. doi:10.1109/CIC.2008.4749200
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Official URL: http://dx.doi.org/10.1109/CIC.2008.4749200
Abstract
Here we successfully extracted sources from noisy single-channel abdominal phonograms. First, an appropriate matrix of delays was constructed; then multiple independent components were calculated using TDSEP; finally, components were projected back onto the measurement space and grouped using K-means. Three single-channel phonograms from different subjects were analysed. Results showed a better-quality and more objective extraction of Foetal Heart Sounds (S1-S2), maternal activity and line-noise by using this temporal independent approach (versus a FastICA version). Future work will look for extracting more sources and a robust method to measure the quality of the extraction.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Subjects: | R Medicine > RG Gynecology and obstetrics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
| Journal or Publication Title: | Proceedings of Computers in Cardiology 2008 | ||||
| Publisher: | Institute of Electrical and Electronics Engineers | ||||
| ISSN: | 0276-6547, ISBN: 978-1-4244-3706-1 | ||||
| Official Date: | 2008 | ||||
| Dates: |
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| Volume: | Vol.2 | ||||
| Page Range: | pp. 949-952 | ||||
| DOI: | 10.1109/CIC.2008.4749200 | ||||
| Status: | Not Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Consejo Nacional de Ciencia y Tecnología (Mexico) [Mexican Council for Science and Technology] (CONACYT) | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | Computers in Cardiology 2008 | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Bologna, Italy | ||||
| Date(s) of Event: | Sep 14-17, 2008 |
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